| Gehel added a comment. |
A few things to check (thanks for the pointers from my fellow ops):
- is another server stealing its IP
- check DNS -> nothing suspicious
- check DHCP leases
- check ARP caches -> sudo cumin -b200 -p 80 'A:eqiad' "arp -n | grep ^10.64.0.17\ | awk '{print \$3}'" shows only 18:66:da:ac:49:d5 which is the correct MAC of wdqs1004
- check is network is downgraded to 10Mb -> ethtool say: Speed: 1000Mb/s, Duplex: Full
- try moving wdqs1004 to another port on the switch
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To: Gehel
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Cc: Joe, RobH, Stashbot, Gehel, Cmjohnson, Papaul, gerritbot, elukey, Smalyshev, Aklapper, Dzahn, Davinaclare77, Qtn1293, Lahi, Gq86, Darkminds3113, Lucas_Werkmeister_WMDE, GoranSMilovanovic, Th3d3v1ls, Hfbn0, QZanden, EBjune, merbst, LawExplorer, Avner, Zppix, Jonas, FloNight, Xmlizer, jkroll, Wikidata-bugs, Jdouglas, aude, Tobias1984, Manybubbles, Southparkfan, faidon, Mbch331, Jay8g, fgiunchedi
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